#ifndef NET_SOCKET_H
#define NET_SOCKET_H

/*
 * 主机侧桩（test/host/ui_sink）：镜像真实 Drivers/BSP/NET/net_socket.h 中
 * ui_net_sink.c 用到的 API 面（签名逐字一致），实现由测试文件提供假件。
 */
#include <stdint.h>

#define NET_AF_INET       2
#define NET_SOCK_STREAM   1
#define NET_INADDR_ANY    0u
#define NET_ERR_WOULDBLOCK 11

struct net_sockaddr {
    unsigned short sa_family;
    char           sa_data[14];
};

struct net_in_addr {
    unsigned long s_addr;
};

struct net_sockaddr_in {
    short                sin_family;
    unsigned short       sin_port;
    struct net_in_addr   sin_addr;
    char                 sin_zero[8];
};

uint32_t net_get_generation(void);
uint16_t net_htons(uint16_t hostshort);
int net_socket(int domain, int type);
int net_bind(int sockfd, const struct net_sockaddr *addr, int addrlen);
int net_listen(int sockfd);
int net_accept(int sockfd, struct net_sockaddr *addr, int *addrlen);
int net_listener_armed(int sockfd);
int net_can_read(int sockfd);
int net_send(int sockfd, const void *buf, int len, int flags);
int net_recv_nb(int sockfd, void *buf, int len);
int net_close(int sockfd);
int net_get_errno(void);
void *net_get_sock(int sockfd);

#endif /* NET_SOCKET_H */